Question

Let x be the age in years of a licensed automobile driver. Let y be the percentage of all fatal accidents ( for a given age) due to speeding. For example, the first data pair indicates that 36% of all fatal accidents involving 17 year olds are due to speeding.

X: 17 27. 37. 47. 57. 67. 77
Y: 36. 25. 20. 12. 10. 7. 5.
Find the sample mean for x.(round to the nearest whole number) and y ( round to 2 decimal places).

b) Find a and b ( round answer to 3 decimal places).
c) Write the equation of the least squares line y = a +bx.
d) Predict the percentage of all fatal accidents due to speeding for 25- year-old.   Round your answer to 2 decimal places.

Answer 1

NOTE::I HOP THIS ANSWER IS HELPFULL TO YOU.....***PLEASE SUPPORT ME WITH YOUR RATING......THANK YOU